HART indicators automatically re-scale

01 November 2007

The DIH50 digital indicator is designed as an intrinsically safe loop display for 4-20 mA current loops, and therefore needs no separate auxiliary power supply.

DIH50 digital indicator
DIH50 digital indicator

A key characteristic is that it constantly monitors the current signal and, if the measuring range of an attached HART transmitter is altered, it re-scales automatically to the new measuring range and its unit. It is, however, also possible to select alternative display units from the standard ‘on-board’ pressure and temperature units. The display range is then scaled automatically by the appropriate stored conversion factor.

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